Self Assessment SOS Whatever your question about filling in and filing your Self Assessment tax return by the 31st January deadline, we’ve got you covered.
Everything you need to beat the Self Assessment deadline
Make sure you avoid these common mistakes when filing your tax return!
Discover the meaning of the key terms you'll come across when filling in and filing your Self Assessment tax return.
Check your Self Assessment payment will reach HMRC by midnight 31st Jan with this payment option guide
Are you falling into one of these tax traps?
HMRC does allow appeals against penalties for late returns, if there’s a 'reasonable excuse' - but what counts as a reasonable excuse?
More information about the tax you pay on any income received over and above your Personal Allowance.
Self Assessment filing in FreeAgent
If you have to declare capital allowances on your tax return, this webinar should come in very handy.
Online tax return deadline
Midnight 31st Jan 2018
Tax year to file for
6 April 2016 to 5 April 2017
Final payment of any tax due
Midnight 31st Jan 2018 How to pay
Penalty for late filing
£100 if you file up to 3 months late